Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listSep 5, 2021 06:10

Ilya Aniskovets

Score: 5,526

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 5, 2021 06:07	5,464	34,688,197	16,456,000	1,028,000	2,289,664
2	Sep 5, 2021 06:10	5,467	36,345,459	17,493,000	0	2,265,088
3	Sep 5, 2021 06:06	5,473	33,082,084	16,485,000	1,030,000	2,289,664
4	Sep 5, 2021 06:07	5,475	40,526,711	16,490,000	1,030,000	2,289,664
5	Sep 5, 2021 06:07	5,494	38,361,984	16,548,000	1,034,000	2,289,664
6	Sep 5, 2021 06:07	5,494	45,468,641	16,546,000	1,034,000	2,289,664
7	Sep 5, 2021 06:10	5,497	40,985,138	16,557,000	1,034,000	2,387,968
8	Sep 5, 2021 06:07	5,500	33,209,694	16,565,000	1,035,000	2,289,664
9	Sep 5, 2021 06:07	5,501	42,656,842	16,568,000	1,035,000	2,289,664
10	Sep 5, 2021 06:07	5,501	34,934,382	16,567,000	1,035,000	2,277,376
11	Sep 5, 2021 06:06	5,503	42,767,794	16,573,000	1,035,000	2,273,280
12	Sep 5, 2021 06:06	5,507	45,472,784	16,586,000	1,036,000	2,289,664
13	Sep 5, 2021 06:10	5,507	43,673,711	16,585,000	1,036,000	2,269,184
14	Sep 5, 2021 06:10	5,507	51,545,294	17,623,000	0	2,289,664
15	Sep 5, 2021 06:06	5,508	48,214,832	16,591,000	1,036,000	2,289,664
16	Sep 5, 2021 06:06	5,512	44,638,744	16,600,000	1,037,000	2,289,664
17	Sep 5, 2021 06:07	5,512	43,822,530	17,637,000	0	2,273,280
18	Sep 5, 2021 06:10	5,515	53,260,801	16,610,000	1,038,000	2,289,664
19	Sep 5, 2021 06:10	5,526	38,285,013	16,644,000	1,040,000	2,289,664
20	Sep 5, 2021 06:07	5,527	46,492,763	16,647,000	1,040,000	2,531,328
21	Sep 5, 2021 06:10	5,528	44,463,283	16,648,000	1,040,000	2,289,664
22	Sep 5, 2021 06:06	5,539	47,729,379	16,682,000	1,042,000	2,269,184
23	Sep 5, 2021 06:06	5,579	47,750,404	15,870,000	1,983,000	2,269,184
24	Sep 5, 2021 06:06	5,587	46,486,920	17,879,000	0	2,289,664
25	Sep 5, 2021 06:10	5,588	45,408,156	16,888,000	993,000	2,289,664
26	Sep 5, 2021 06:06	5,589	49,244,553	15,899,000	1,987,000	2,289,664
27	Sep 5, 2021 06:10	5,592	43,882,124	16,900,000	994,000	2,289,664
28	Sep 5, 2021 06:07	5,665	78,509,999	18,129,310	0	2,297,856
29	Sep 5, 2021 06:10	5,667	84,354,393	18,135,092	0	2,297,856
30	Sep 5, 2021 06:10	5,678	88,739,445	18,168,309	0	2,174,976
31	Sep 5, 2021 06:07	5,689	69,529,899	18,206,086	0	2,289,664
32	Sep 5, 2021 06:10	5,694	93,673,549	18,221,543	0	2,297,856
33	Sep 5, 2021 06:06	5,694	82,228,859	18,221,763	0	2,301,952
34	Sep 5, 2021 06:07	5,704	88,397,606	18,254,380	0	2,293,760
35	Sep 5, 2021 06:06	5,732	66,172,210	18,341,023	0	2,289,664
36	Sep 5, 2021 06:06	5,739	84,902,460	18,364,266	0	2,289,664

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1